In 2014 she was selected the AVICENNA Award Laureate as a successor to Professor Tony Buzan given every year to those who present best practice in science, connecting East with West through science and knowledge. In 2015 Dr. Thabet broke a new Guinness World Record in 2015 in one of the most complicated teaching methods.

In 2012 Dr Manahel was the Chairperson of the Scientific Committee, Recommendation Committee and Senior Adviser to the International Asia Pacific Giftedness Conference held in Dubai – UAE hosted by Hamdan Bin Rashid Awards for Distinguished Academic Performance. The conference hosted specialists from 42 countries, 320 papers and more than 2000 participants in the field of Talent and Gifted Education.